DR. TIMOTHY LOUIS HAAGA M.D.
NPI 1558598086
Surgery in Honolulu, HI
About Dr. Timothy Louis Haaga M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY LOUIS HAAGA M.D. (NPI 1558598086) is an individual surgery provider in Honolulu, Hawaii, licensed in Hawaii (MDR-5732) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Timothy Louis Haaga M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Timothy Haaga reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 29
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parma Community General Hospital
Acute Care Hospitals · Parma, OHLake Health
Acute Care Hospitals · Concord, OHUh St John Medical Center
Acute Care Hospitals · Westlake, OHUh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHUniversity Hospitals Ahuja Medical Center
Acute Care Hospitals · Beachwood, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96813 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96813
HONOLULU, HI 96813
HONOLULU, HI 96813
HONOLULU, HI 96813
HONOLULU, HI 96813
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Timothy Haaga's NPI number?
The NPI number for Timothy Haaga is 1558598086. It was assigned to this individual provider in the NPPES registry on June 10, 2009.
Where is Timothy Haaga located?
Timothy Haaga practices at 1356 Lusitana St University Of Hawaii Dept. Of Surgery, 6th Floor, Honolulu, HI 96813. The listed phone number is (216) 470-5475.
What is Timothy Haaga's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Timothy Haaga enrolled in Medicare?
Yes. Timothy Haaga is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Timothy Haaga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Haaga reassigns Medicare benefits to 2 organizations: The Metrohealth System (Cleveland, OH) and University Hospitals Medical Group Inc (Cleveland, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Haaga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Haaga accept?
Health plans from CareSource list Timothy Haaga as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Timothy Haaga affiliated with any hospitals?
According to CMS data, Timothy Haaga is affiliated with Parma Community General Hospital, Lake Health, Uh St John Medical Center, Uh Cleveland Medical Center and University Hospitals Ahuja Medical Center.
When was this NPI record last updated?
The NPPES record for Timothy Haaga was last updated on June 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.